Access the Elbow Rotate Tool:

• Go to the "Elbow rotate" tab in the Revit ribbon. 

Select the Pipe Fitting:

• Navigate to the model view where the pipe fitting elbow is located.
• Click on the pipe fitting elbow you wish to rotate to select it.

Choose the Desired Rotation Angle:

In the "Elbow Rotate" interface, you’ll see options for rotating the elbow to inputted sngle values

The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. Make sure that the Autodesk product is completely closed when running the installer.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 10/11) and uninstall as you would any other application from your system.